As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK SIGNAL INDICATION AT L/H AFT INNER CHORD IN ACCORDANCE WITH EO 4453C127 OPEN HOLE HEEL INSPECTION (2EA) REMOVED HI-LOK 10 EA TO PERFORM S.B 747 53A2467 & 53A2427 AT B.S 2598 L/H LOWER BULKHEAD AS PER SPI-TLS-26-0016. PERFORMED OPEN HOLE HFEC INSP AT STA 2598, FWD INNER CHORD REMOVED 10EA FASTENERS PER 747 NDTM 51-00-00. RESULT: NORMAL. PERFORMED SURFACE HFEC INSP AT 2 CRACKED HOLE AROUND EDGE PER 747 NDTM 51-00-00 PART 6 PROCEDURE 23. NO FURTHER DEFECTS NOTED</P>)